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Keflavik Intl

$316+ Cheap flights from Reagan-National (DCA) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — KEF
Jul 22 — Jul 291
Wed 7/22
Wed 7/29
1 adult, Economy
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Cheap flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 22, 2026.

This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:23 pm
DCA
-
KEF
1 stop15h 17m
Delta
Wed 8/128:45 am
KEF
-
DCA
1 stop11h 49m
Delta
Deal found 6/20$603
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:00 pm
DCA
-
KEF
1 stop12h 30m
Delta
Tue 8/1811:25 am
KEF
-
DCA
1 stop9h 34m
Delta
Deal found 6/19$604
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:30 am
DCA
-
KEF
1 stop18h 30m
United Airlines
Thu 11/1912:00 pm
KEF
-
DCA
1 stop10h 48m
United Airlines
Deal found 6/21$606
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:49 pm
DCA
-
KEF
2 stops11h 41m
Delta
Wed 8/1211:25 am
KEF
-
DCA
2 stops14h 20m
Delta
Deal found 6/21$608
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:02 am
DCA
-
KEF
1 stop23h 28m
Delta
Wed 8/1911:25 am
KEF
-
DCA
1 stop9h 34m
Delta
Deal found 6/19$610
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:02 am
DCA
-
KEF
1 stop23h 28m
Delta
Sun 8/2311:25 am
KEF
-
DCA
1 stop26h 44m
Delta
Deal found 6/19$616
This oojo deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:20 pm
DCA
-
KEF
1 stop12h 45m
Icelandair
Thu 10/295:00 pm
KEF
-
DCA
1 stop19h 05m
Icelandair
Deal found 6/20$617
This oojo deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:45 pm
DCA
-
KEF
1 stop10h 20m
Icelandair
Wed 10/285:00 pm
KEF
-
DCA
1 stop19h 05m
Icelandair
Deal found 6/19$618
This oojo deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:14 pm
DCA
-
KEF
1 stop8h 51m
Icelandair
Wed 10/217:55 pm
KEF
-
DCA
1 stop18h 07m
Icelandair
Deal found 6/18$620
This oojo deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:55 am
DCA
-
KEF
1 stop17h 10m
Icelandair
Wed 10/75:10 pm
KEF
-
DCA
1 stop20h 52m
Icelandair
Deal found 6/17$621
This oojo deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:55 am
DCA
-
KEF
1 stop17h 10m
Icelandair
Tue 10/65:10 pm
KEF
-
DCA
1 stop18h 46m
Icelandair
Deal found 6/17$623
This oojo deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:30 am
DCA
-
KEF
1 stop17h 35m
Icelandair
Fri 12/114:50 pm
KEF
-
DCA
1 stop11h 09m
Icelandair
Deal found 6/21$625

Find flight deals from Reagan-National to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$603
(KLM)

One-way from

$316
(oojo)

Popular in

December

Cheapest in

September

Average price

$696
Provider with most accurate pricing for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 22, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 8/7

12:27 pm-7:40 am

2 stops15h 13m

Reykjavik Keflavik Intl

Tue 8/18

9:30 am-9:45 pm

2 stops16h 15m

$608

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 9/4

9:40 am-7:55 am

1 stop18h 15m

Reykjavik Keflavik Intl

Wed 9/9

9:15 am-9:46 am

2 stops28h 31m

$652

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Mon 8/10

2:45 pm-9:30 am

2 stops14h 45m

Reykjavik Keflavik Intl

Tue 8/18

11:25 am-9:45 pm

2 stops14h 20m

$714

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 8/13

6:00 am-7:55 am

1 stop21h 55m

Reykjavik Keflavik Intl

Tue 8/18

10:00 am-9:48 pm

2 stops15h 48m

$714

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Mon 8/17

11:00 am-10:25 am

2 stops19h 25m

Reykjavik Keflavik Intl

Fri 8/21

7:55 am-10:59 pm

2 stops19h 04m

$752

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sun 9/27

7:46 am-8:45 am

2 stops20h 59m

Reykjavik Keflavik Intl

Wed 10/7

9:15 am-9:59 pm

2 stops40h 44m

$759

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 10/6

3:55 pm-9:30 am

2 stops13h 35m

Reykjavik Keflavik Intl

Tue 10/13

11:25 am-9:15 pm

2 stops13h 50m

$776

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sun 7/12

8:25 pm-7:00 am

1 stop30h 35m

Reykjavik Keflavik Intl

Sun 7/19

10:00 am-8:52 am

1 stop26h 52m

$809

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 8/12

7:46 am-8:50 am

1 stop21h 04m

Reykjavik Keflavik Intl

Fri 8/28

9:15 am-10:18 am

1 stop29h 03m

$831

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 9/9

6:00 am-7:00 am

1 stop21h 00m

Reykjavik Keflavik Intl

Sat 9/12

10:00 am-8:55 am

1 stop26h 55m

$990

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 19 resultsSorted by cheapest first
1
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Compare providers for flights from Reagan-National to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Keflavik Intl in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

    Airlines like Virgin Atlantic, United Airlines, and Delta fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport in about 14h 45m. The time it takes to get you to your destination can typically vary by up to 3h 30m. Washington, D.C. Reagan-National Airport and Reykjavik Keflavik Intl Airport are separated by a distance of 2784 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.

  • Can I find deals for business class flights from Reagan-National to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Reagan-National to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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